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M.2 drive backplanes

Use the section to understand the cable routing for the M.2 drive backplanes.

The server supports one of the following M.2 drive backplanes:



1

M.2 x4 non-RAID SATA/NVMe 2-bay backplane

2

M.2 x1 RAID NVMe 2-bay backplane

3

M.2 RAID SATA/NVME 2-bay backplane

M.2 x4 non-RAID SATA/NVMe 2-bay backplane

Power cable routing

Figure 1. Power cable routing
Power cable routing

FromTo
1 Power connector on the M.2 drive backplane1 M.2 power connector on the system board assembly

Signal cable routing

The M.2 drive backplane supports SATA, NVMe, or RAID cable connection.

Figure 2. SATA cable routing
SATA cable routing

FromTo
1 Signal connector on the M.2 drive backplane1 M.2/7mm backplane signal connector on the system board assembly
Figure 3. NVMe cable routing
Note
The following illustration shows four NVMe cable connection options, but the four options are mutually exclusive. Select one of them based on your scenario.

NVMe cable routing

FromTo
Signal connector on the M.2 drive backplane1 PCIe 1
2 PCIe 3 (one processor installed)
3 PCIe 8
4 PCIe 10
Figure 4. RAID cable routing
RAID cable routing

FromTo
1 Signal connector on the M.2 drive backplane1 8i adapter: C0

M.2 x1 RAID NVMe 2-bay backplane

Figure 5. Cable routing for the M.2 x1 RAID NVMe 2-bay backplane
Cable routing for the M.2 x1 RAID NVMe 2-bay backplane

FromTo
1 Signal connector on the M.2 drive backplane1 M.2/7mm backplane signal connector on the system board assembly
2 Power connector on the M.2 drive backplane2 M.2 power connector on the system board assembly

M.2 RAID SATA/NVME 2-bay backplane

Figure 6. Cable routing for the M.2 RAID SATA/NVME 2-bay backplane

FromTo
1 Connector on the M.2 drive backplane1
  • M.2 power connector on the system board assembly

  • M.2/7mm backplane signal connector on the system board assembly